NEW ELECTRONICS EQUIPMENT NORTH VIETNAM

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP83-01074R000300590001-3
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 3
• Document Creation Date: December 28, 2016
• Document Release Date: September 14, 2011
• Sequence Number: 1
• Publication Date: May 7, 1969
• Content Type: PHOTO

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Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3
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NEW ELECTRONICS EQUIPMENT
NORTH VIETNAM
Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3
NATIONAL PHOT06RAPHIC If1ENPRETATION CENTER
 Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3
SECRET
NO FOREIGN DISSEM
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
ATTACHMENT TO M-6453
7 MAY 1969
PAGE 1
NEW ELECTRONICS EQUIPMENT
NORTH VIETNAM
1. SIGNIFICANCE: THIS BRIEFING BOARD DEPICTS ELECTRONICS EQUIPMENT
OBSERVED FOR THE FIRST TIME IN NORTH VIETNAM.
2. LOCATION: HANOI AREA, NORTH VIETNAM
3. MISSION READOUT: LOW LEVEL DRONE PHOTOGRAPHY OF APRIL 1969 REVEALS
ELECTRONICS EQUIPMENT AT THREE SEPARATE LOCATIONS IN NORTH VIETNAM.
AND 13 UTILITY TRAILERS PARKED AT THE HANOI INTERNATIONAL RADIO RECEIVING
STATION, SON DONG. THE LO-1800 VAN TRUCK HAS BEEN ASSOCIATED WITH THE
REVEALS TWENTY-SIX LO-1800 VAN TRUCKS
RVG950 VHF RADIO RELAY EQUIPMENT IT HAS BEEN FURTHER 25X1
REPORTED THAT EAST GERMANY IS PROVIDING RVG950 EQUIPMENT TO NORTH VIETNAM.
THE RVG950 EQUIPMENT PERMITS TRANSMISSION OF FIVE TELEPHONE CHANNELS OR ONE
BROADCAST PROGRAM CHANNEL. EMPLOYING ALOG-PERIODIC ANTENNA IT CAN BE USED
FOR LINE OF SIGHT DATA TRANSMISSION WITH A RANGE OF APPROXIMATELY 50 TO 60
KILOMETERS .
MISSION REVEALS A MOBILE FIX EIGHT SITE CONSISTING OF
AN EIGHT-MAST ADCOCK ANTENNA WITH THE M~CSTS EQUALLY SPACED IN A CIRCLE AND A
CENTRAL SENSE ANTENNA MOUNTED ON AN ELECTRONICS VAN TRUCK. THE FIX EIGHT
EQUIPMENT CAN BE USED FOR NAVIGATIONAL AID OR FOR RADIO SURVEILLANCE~INTER-
CEPT PURPOSES.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing boards (s) they were prepared for and must be considered valid only f or the re?
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Imagery E%ploitation
Group NPIC.
GROUP t: E%CLUDEDFROM
AUTOMATIC DOWNGRADING
AND DECLASSIFICATION
SECRET
Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3
 Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3
SECRET
NO FOREIGN DISSEM
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
ATTACHMENT TO M-6453
7 MAY Zg6g
PAGE 2
REVEALS A PROBABLE ELECTRONICS INSTALL-
ATION CONSISTING OF TWO IDENTICAL GROUPS OF VEHICLES. EACH GROUP CONTAINS
A ROTATABLE CAMOUFLAGED VAN TRAILER CONNECTED BY CABLE TO TWO CAMOUFLAGED
VAN TRUCKS WITH NO ANTENNAS VISIBLE. THE TWO VAN TRAILERS AT THIS INSTALL-
ATION ARE SIMILAR TO THE VAN TRAILERS NORMALLY ASSOCIATED WITH SIDE NET
RADAR, TOKEN FAMILY RADARS, AND THE CAKE SERIES OF HEIGHI' FINDING RADARS.
THE PRIMARY DIFFERENCE NOTED IN THE VANS IS THE PLACEMENT OF THE ACCESS DOOR
FOR THE VAN. THIS DOOR IS USUALLY FOUND ON THE SIDE OF THE VAN NEAR ONE END.
HOWEVER, THE TWO VAN TRAILERS AT THIS INSTALLATION HAVE A DOOR IN THE CENTER
OF ONE SIDE.
AN UNIDENTIFIED OBJECT BELIEVED TO BE A RECTANGULAR MAT, NET, OR PIECE
OF CANVAS, IS LYING NEAR ONE OF THE VAN TRAILERS.
THESE VEHICLES WERE ALSO PRESENT IN LATE JANUARY ~g6g. THERE IS NO
EVIDENCE ON EITHER MISSION OF LARGE ANTENNAS ON EITHER OF THE VANS.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing boards (s) they were prepared for and must be considered valid onty for the re?
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Imagery Exploitation
Group NPIC.
SECRET
Sanitized Copy Approved for Release 2011/09/14 :CIA-RDP83-010748000300590001-3